50690720 has 24 divisors (see below), whose sum is σ = 119757204. Its totient is φ = 20276224.

The previous prime is 50690711. The next prime is 50690741. The reversal of 50690720 is 2709605.

It can be written as a sum of positive squares in 2 ways, for example, as 50069776 + 620944 = 7076^2 + 788^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158249 + ... + 158568.

Almost surely, 2^50690720 is an apocalyptic number.

It is an amenable number.

50690720 is an abundant number, since it is smaller than the sum of its proper divisors (69066484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50690720 is a wasteful number, since it uses less digits than its factorization.

50690720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316832 (or 316824 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 50690720 is about 7119.7415683436. The cubic root of 50690720 is about 370.0918204062.

The spelling of 50690720 in words is "fifty million, six hundred ninety thousand, seven hundred twenty".